github.com/fafucoder/cilium@v1.6.11/pkg/math/int_test.go (about)

     1  // Copyright 2019 Authors of Cilium
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  // +build !privileged_tests
    16  
    17  package math
    18  
    19  import (
    20  	"testing"
    21  
    22  	"gopkg.in/check.v1"
    23  )
    24  
    25  func Test(t *testing.T) {
    26  	check.TestingT(t)
    27  }
    28  
    29  type MathSuite struct{}
    30  
    31  var _ = check.Suite(&MathSuite{})
    32  
    33  const (
    34  	maxIntValue = int(^uint(0) >> 1)
    35  	minIntValue = -maxIntValue - 1
    36  )
    37  
    38  func (b *MathSuite) TestIntMin(c *check.C) {
    39  	c.Assert(IntMin(10, 20), check.Equals, 10)
    40  	c.Assert(IntMin(20, 10), check.Equals, 10)
    41  	c.Assert(IntMin(10, 10), check.Equals, 10)
    42  	c.Assert(IntMin(-10, 10), check.Equals, -10)
    43  	c.Assert(IntMin(0, 10), check.Equals, 0)
    44  	c.Assert(IntMin(minIntValue, maxIntValue), check.Equals, minIntValue)
    45  }
    46  
    47  func (b *MathSuite) TestIntMax(c *check.C) {
    48  	c.Assert(IntMax(10, 20), check.Equals, 20)
    49  	c.Assert(IntMax(20, 10), check.Equals, 20)
    50  	c.Assert(IntMax(10, 10), check.Equals, 10)
    51  	c.Assert(IntMax(-10, 10), check.Equals, 10)
    52  	c.Assert(IntMax(0, 10), check.Equals, 10)
    53  	c.Assert(IntMax(minIntValue, maxIntValue), check.Equals, maxIntValue)
    54  }